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<HEAD>

    <TITLE>JHU/APL Auroral Oval Boundary</TITLE>

    <META NAME="Copyright" CONTENT="Copyright 2000 Johns Hopkins University Applied Physics Laboratory"/>

    <META NAME="Date" CONTENT="21 February 2000"/>

    <META NAME="Author" CONTENT="J. P. Skura"/>


  

  

    

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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
30 Apr 1997 22:11:21 yearsecs  10361481
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.45   95.12  -51.07   42.45
    1.00  -57.89  110.12  -48.88   56.47
    2.00  -58.33  125.12  -46.93   69.64
    3.00  -58.76  140.12  -45.52   81.85
    4.00  -58.82  155.12  -44.30   93.36
    5.00  -59.66  170.12  -44.34  104.93
    6.00  -61.43  185.12  -45.76  116.27
    7.00  -62.84  200.12  -47.38  126.95
    8.00  -62.71  215.12  -48.10  137.47
    9.00  -62.14  230.12  -48.95  148.32
   10.00  -61.66  245.12  -50.34  159.50
   11.00  -61.47  260.12  -52.37  170.89
   12.00  -61.50  275.12  -54.95  182.48
   13.00  -61.76  290.12  -58.08  194.20
   14.00  -62.24  305.12  -61.88  206.13
   15.00  -62.95  320.12  -66.24  218.82
   16.00  -63.88  335.12  -70.84  233.45
   17.00  -65.04  350.12  -75.35  252.06
   18.00  -65.21    5.12  -77.96  280.72
   19.00  -63.99   20.12  -76.66  316.29
   20.00  -62.34   35.12  -72.03  343.86
   21.00  -61.16   50.12  -66.57    2.89
   22.00  -59.39   65.12  -60.20   16.60
   23.00  -58.28   80.12  -55.17   29.54
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.20   95.12  -65.06   60.58
    1.00  -71.07  110.12  -62.73   72.05
    2.00  -71.95  125.12  -61.03   82.44
    3.00  -72.45  140.12  -59.58   91.72
    4.00  -73.46  155.12  -59.20  101.09
    5.00  -74.72  170.12  -59.57  110.10
    6.00  -74.92  185.12  -59.33  118.26
    7.00  -73.90  200.12  -58.34  126.40
    8.00  -73.95  215.12  -58.94  134.69
    9.00  -74.24  230.12  -60.28  142.82
   10.00  -73.94  245.12  -61.50  151.38
   11.00  -73.68  260.12  -63.19  160.11
   12.00  -73.50  275.12  -65.37  168.90
   13.00  -73.39  290.12  -68.02  177.72
   14.00  -73.40  305.12  -71.16  186.48
   15.00  -73.18  320.12  -74.48  196.48
   16.00  -73.47  335.12  -78.36  206.03
   17.00  -73.42  350.12  -82.18  220.22
   18.00  -73.08    5.12  -85.66  251.16
   19.00  -72.41   20.12  -86.08  325.89
   20.00  -72.03   35.12  -82.61    9.21
   21.00  -71.05   50.12  -77.62   25.46
   22.00  -71.06   65.12  -73.44   39.93
   23.00  -70.03   80.12  -68.53   49.21
</PRE>


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